Stock up on Purina Natural Dog or Puppy Chow at Target! The 16.5-pound bags are on a gift card promotion: buy two and receive a $5.00 Target gift card. Buy four bags and stack a Target coupon with four manufacturer coupons. At checkout, receive one $10.00 Target gift card and two $5.00 Target gift cards. The final price is $3.99 per bag.